Fatal error: Uncaught Error: Call to undefined function is_blog_installed() in C:\wwwroot\jinkekczy.com\wp-includes\load.php:615 Stack trace: #0 C:\wwwroot\jinkekczy.com\wp-settings.php(144): wp_not_installed() #1 C:\wwwroot\jinkekczy.com\wp-config.php(87): require_once('C:\\wwwroot\\www....') #2 C:\wwwroot\jinkekczy.com\wp-load.php(37): require_once('C:\\wwwroot\\www....') #3 C:\wwwroot\jinkekczy.com\wp-blog-header.php(13): require_once('C:\\wwwroot\\www....') #4 C:\wwwroot\jinkekczy.com\index.php(17): require('C:\\wwwroot\\www....') #5 {main} thrown in C:\wwwroot\jinkekczy.com\wp-includes\load.php on line 615

Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'wp_ob_end_flush_all' not found or invalid function name in C:\wwwroot\jinkekczy.com\wp-includes\class-wp-hook.php on line 286